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Search: Posts Made By: Gysbreght
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Forum: Rumours & News
9th Mar 2015, 21:00
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

Since the definition of underwater search areas...

Since the definition of underwater search areas in the ATSB's report of 26 June 2014, it has always been clear that the "Priority Search Area" of 60,000 square km's, as the name implies, is only a...
Forum: Rumours & News
8th Mar 2015, 13:04
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

No, it doesn't. Although some reconstructions...

No, it doesn't. Although some reconstructions have been based on those assumptions, that statement is not correct. After 18:40 UTC all BFO values indicate a southward component of groundspeed if one...
Forum: Rumours & News
8th Mar 2015, 10:28
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

RetiredF4: I suppose mr. Duncan Steel...

RetiredF4:

I suppose mr. Duncan Steel doesn't like to be reminded of that blunder he published on 2014 April 02, when he did not understand the interpretation of the logged BFO's. That was...
Forum: Rumours & News
7th Mar 2015, 20:49
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

Please explain how a position close to the north...

Please explain how a position close to the north arc can be compatible with the logged values of BFO (Burst Frequency Offset or doppler compensation error).
Forum: Rumours & News
25th Oct 2014, 22:19
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

mm43, Agreed, except that in your last...

mm43,

Agreed, except that in your last sentence "climbing" should be "descending" (approximately 2500 fpm at the speed and heading at the end of the primary radar trace).
Forum: Rumours & News
8th Jun 2014, 21:23
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

I'm not sure I understand your question. The...

I'm not sure I understand your question. The aircraft radial groundspeed to the satellite is determined from the BTO (Burst Timing Offset). It is equal to the distance between two successive arcs...
Forum: Rumours & News
8th Jun 2014, 15:35
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

That would require another hour of fuel. The time...

That would require another hour of fuel. The time where the next ping would have occurred is irrelevant, only the fact that it did not occur, and that the last handshake was initiated from the...
Forum: Rumours & News
7th Jun 2014, 09:19
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

Ian W, Just to be pedantic, and while there...

Ian W,

Just to be pedantic, and while there is not much else to discuss -

In a phugoid the airplane maintains an approximately constant AoA, i.e. constant L/D. While it is cyclically exchanging...
Forum: Rumours & News
6th Jun 2014, 08:35
Replies: 11,831
Views: 24,357,813
Posted By Gysbreght

"Possible turn" at about 18:25?

18:22 Last primary radar contact, aircraft heading NW
18:25 Log-on request initiated from the aircraft terminal
18:28 First 'handshake' arc, BTO and BFO indicate aircraft heading south

Between...
Showing results 1 to 9 of 9


 
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